PORTLAND PRESS HERALD • April 19, 2023
The Portland region’s air quality got mixed reviews in a new national report on pollution levels, while the Bangor area continues to rank near the top for healthiest air in the United States. The American Lung Association’s annual State of the Air report released on Wednesday shows that air quality in Cumberland County improved when measuring particle pollution, which is made up of fine and coarse particulates circulating in the air.